using namespace std;
#include <iostream>

int main()
{
  int counter = 0;
  bool div;
  do
  {
    counter++;
    div = true;
    for(int i=1; i<=20; i++)
    {
      if((counter % i) != 0)
        div=false;
    }
  }while(div != true);

  cout << "Answer is: " << counter << endl;
}
